INSERT INTO "USERS" VALUES (SEQ_USERS.NEXTVAL,'MUSAKA','PAROLA');
INSERT INTO "CATEGORIES" VALUES (SEQ_CATEGORIES.NEXTVAL,'CATMUSAKA',NULL,1);
INSERT INTO "PICTURES" VALUES (SEQ_PICTURES.NEXTVAL,'PICMUSAKA',1);
INSERT INTO "COMMENTS" VALUES (SEQ_COMMENTS.NEXTVAL,'C0MMENT_MUSAKA',1);